Black Geyser: Couriers of Darkness
Profile updated
Indie game Black Geyser: Couriers of Darkness launched in 2022 from developer grapeocean-technologies and publisher v-publishing. Its Steam page lists 901 reviews with a mixed rating and an initial price of $29.99.
Overview
Black Geyser: Couriers of Darkness is a 2022 Indie game developed by GrapeOcean Technologies and published by V Publishing. On Steam it has gathered 1,025 player reviews, 76% of them positive, which counts as a mostly positive reception among indie titles in the Indie category. The game is available on linux, mac, windows, and launched at $30. The pairing of developer GrapeOcean Technologies with publisher V Publishing is one of the studio-publisher relationships indielist tracks, letting players find comparable games and letting developers and investors study how Indie projects reach the market. indielist's white-box method estimates its lifetime sales at roughly 34,000 to 79,000 units, with the full Boxleiter factor breakdown shown on this page rather than a single black-box figure. Within indielist's catalog of indie games mapped to their studios, publishers, and funding, Black Geyser: Couriers of Darkness can be compared against similar Indie titles and benchmarked on review counts and estimated sales.
Reviews
1,025
Positive
76%
Steam appid
1374930
Engine
Unknown
Players (snapshot)
Unavailable
Sales estimate
v1.034K to 79K
units (median: 56K)
≈ $579K to $1.4M modeled net revenue (fixed store-cut, refund, and regional-price assumptions applied)
+ - How is this calculated?
| Factor | Adjustment |
|---|---|
| base | +50 |
| year_2022 | 0 |
| price_$30 | +5 |
| positive_76% | 0 |
| final NB | 55 |
Heuristic display range: median × [0.6, 1.4]. Boundary protection: NB ∈ [15, 150].
Methodology & limitations
Sales estimates use an additive Boxleiter-derived heuristic against public Steam review
counts. They are not authoritative sales data, and the fixed display range
is not a statistically validated confidence interval. Actual results may fall outside it,
especially for deeply discounted or bundle-heavy titles. Algorithm version
v1.0. Read the exact method and validation status.
indielist estimates lifetime unit sales for Black Geyser: Couriers of Darkness at roughly 34,000 to 79,000 copies, with a median around 56,000, derived from its 1,025 Steam reviews using a multi-factor Boxleiter method (version v1.0). That median maps to approximately $966K in net revenue after Steam's 30% cut, regional pricing, and refunds. Unlike black-box trackers, the full calculation is shown on this page: a base review-to-sales multiplier is adjusted for release year, launch price, review sentiment, studio size, and genre, and every adjustment is listed so developers, publishers, and investors can audit exactly how the figure was reached. The range itself reflects genuine uncertainty — review-to-sales ratios vary widely between games — so indielist publishes a low, median, and high band rather than a false-precision single number, and treats free-to-play, heavily discounted, and bundle-distributed titles as having wider error margins still.
Price history
8 observed days · window low $29.99Across 8 observed UTC days from 2026-07-15 to 2026-07-22, the daily lowest tracked USD price across stores ranged from $29.99 to $29.99. The tracked-window low was $29.99 on 2026-07-15.
Real store observations · daily lowest tracked USD price across stores · missing days are not filled.
Where to buy
Affiliate disclosureLatest tracked store observations (2026-07-22 17:30 UTC), cheapest first. Prices may have changed since observation. Some are affiliate links — we may earn a commission at no extra cost to you. Learn more.
Platforms
linuxmacwindows
Genres
IndieRPG
Frequently asked questions
- How many copies has Black Geyser: Couriers of Darkness sold?
- indielist estimates Black Geyser: Couriers of Darkness has sold between 33,825 and 78,925 units (median 56,375), derived from its 1,025 Steam reviews with the white-box Boxleiter v1.0 method. The full breakdown is shown on the page.
- Who developed Black Geyser: Couriers of Darkness?
- Black Geyser: Couriers of Darkness was developed by GrapeOcean Technologies and published by V Publishing.
- Who published Black Geyser: Couriers of Darkness?
- Black Geyser: Couriers of Darkness was published by V Publishing, developed by GrapeOcean Technologies. See V Publishing's full catalogue and submission status on indielist.
- When was Black Geyser: Couriers of Darkness released?
- Black Geyser: Couriers of Darkness was released in 2022.
- How many reviews does Black Geyser: Couriers of Darkness have on Steam?
- Black Geyser: Couriers of Darkness has 1,025 Steam reviews, of which 76% are positive.
- Is Black Geyser: Couriers of Darkness worth playing?
- Steam players rate Black Geyser: Couriers of Darkness 76% positive across 1,025 reviews. indielist doesn't score games editorially; it surfaces public review sentiment and a white-box sales estimate so you can judge reception and reach yourself.
Ecosystem
Players looking for games like Black Geyser: Couriers of Darkness can compare it on indielist against semantically similar Indie titles such as Stardew Valley, Euro Truck Simulator 2, Project Zomboid, Undertale, ranked by shared tags and genre rather than by ad spend. On the developer side, GrapeOcean Technologies's other releases and V Publishing's wider catalog are one click away, letting developers benchmark where Black Geyser: Couriers of Darkness sits among a studio's body of work and how its publisher's portfolio performs. Because indielist maps studios, publishers, games, and funding into one connected graph, the same Black Geyser: Couriers of Darkness page serves three audiences at once: players hunting their next Indie game, developers studying how comparable projects were positioned and what they sold, and investors tracing which teams and labels are active in the space. A machine-readable markdown mirror of this page is published at the same path with a .md suffix for AI assistants, and its review, price, and sales-estimate figures are refreshed on a schedule rather than frozen at launch.
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